1 April 2024Resigned Ueki, Yoshiharu as Director
1 April 2024Appointed Tottori, Mitsuko as Director
1 April 2018Resigned Onishi, Masaru as Director
1 April 2018Appointed Akasaka, Yuji as Director
31 March 2013Resigned Inamori, Kazuo as Director
1 February 2012Appointed Ueki, Yoshiharu as Director
28 March 2011Resigned Shinmachi, Toshiyuki as Director
28 March 2011Resigned Yokoyama, Zenta as Director
28 March 2011Appointed Inamori, Kazuo as Director
28 March 2011Resigned Funayama, Hiroyui as Director
28 March 2011Resigned Fukaya, Tatsuru as Director
28 March 2011Resigned Moroi, Ken as Director
28 March 2011Resigned Masuko, Takashi as Director
28 March 2011Resigned Oogo, Norio as Director
28 March 2011Resigned Ochi, Masahide as Director
28 March 2011Resigned Shimizu, Juntaro as Director
28 March 2011Resigned Ozazaki, Toshiki as Director
28 March 2011Resigned Yuasa, Yasushi as Director
28 March 2011Resigned Nishizuka, Hideka as Director
1 February 2010Appointed Onishi, Masaru as Director
26 August 1999Appointed Yokoyama, Zenta as Director
29 June 1999Appointed Shimizu, Juntaro as Director
29 June 1999Appointed Oogo, Norio as Director
29 June 1999Appointed Moroi, Ken as Director
29 June 1999Appointed Funayama, Hiroyui as Director
31 March 1999Resigned Yashiro, Kazunari as Director
31 March 1999Resigned Yuasa, Koji as Director
31 March 1999Resigned Shiota, Toshio as Director
31 March 1999Resigned Hagio, Hiroyashu as Director
31 March 1999Resigned Takada, Yoichiro as Director
31 March 1999Resigned Shibuya, Naotaka as Director
31 March 1999Resigned Sato, Kotaro as Director
31 March 1999Resigned Kikuta, Tokuji as Director
31 March 1999Resigned Ichinosawa, Takeshi as Director
31 March 1999Resigned Nishimura, Yasukazu as Director
31 March 1999Resigned Ichikawa, Mamoru as Director
31 March 1999Resigned Miura, Nukuo as Director
31 March 1999Resigned Mozume, Shigeyuki as Director
26 August 1998Appointed Yuasa, Yasushi as Director
26 June 1998Resigned Hara, Sadeo as Director
26 June 1998Appointed Miura, Nukuo as Director
26 June 1998Appointed Nishimura, Yasukazu as Director
26 June 1998Appointed Mozume, Shigeyuki as Director
26 June 1998Appointed Nishizuka, Hideka as Director
27 June 1997Appointed Ochi, Masahide as Director
27 June 1997Appointed Masuko, Takashi as Director
27 June 1997Appointed Hagio, Hiroyashu as Director
27 June 1997Appointed Fukaya, Tatsuru as Director
27 June 1997Appointed Shinmachi, Toshiyuki as Director
27 June 1997Resigned Uchida, Michio as Director
27 June 1997Appointed Yashiro, Kazunari as Director
27 June 1996Appointed Yuasa, Koji as Director
29 June 1995Appointed Hara, Sadeo as Director
29 June 1995Appointed Takada, Yoichiro as Director
29 June 1995Appointed Shibuya, Naotaka as Director
29 June 1995Appointed Sato, Kotaro as Director
29 June 1995Appointed Ozazaki, Toshiki as Director
29 June 1995Appointed Kikuta, Tokuji as Director
29 June 1995Appointed Ichinosawa, Takeshi as Director
29 June 1995Appointed Ichikawa, Mamoru as Director
29 June 1993Appointed Uchida, Michio as Director
29 June 1993Appointed Shiota, Toshio as Director